Question
1.
(03.05 LC)
The number that represents a neutral pH is
. (2 points)
2.
(03.05 LC)
Match the term with its description. (4 points)
1.
Acid
2.
pH
3.
Base
4.
Ions
a.
A compound that increases hydrogen ions (H+) when it is dissolved in a solution
b.
A compound that increases the hydroxide ions (OH−) when it is dissolved in a solution
c.
An atom or molecule that has a positive or negative charge
d.
A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
3.
(03.05 MC)
Which description is not a property of an acid? (2 points)
Turns litmus paper red
Bitter taste
Corrosive
Dissolves metals
4.
(03.05 MC)
Which description is not a property of a base? (2 points)
pH lower than 7
Turns litmus paper blue
Bitter taste
Slimy feel
5.
(03.05 MC)
Which item is made from a basic ingredient? (2 points)
Soda
Wine
Leafy vegetables
Toothpaste
6.
(03.05 MC)
Which substances will make a salt when combined? (2 points)
Vinegar and soda
Soda and wine
Detergent and ammonia
Fertilizer and vinegar
7.
(03.05 MC)
Which description of salt is a chemical property? (2 points)
No combustion
Odorless
Salty taste
Solid does not conduct electricity
8.
(03.05 MC)
Complete the sentence. When an acid is added to water, hydrogen ions __________. (2 points)
increase
decrease
stay the same
disappear
9.
(03.05 MC)
Complete the sentence. The lower the hydrogen ion concentration, the ______ the pH. (2 points)
higher
lower
closer to 7
closer to 0
(03.05 LC)
The number that represents a neutral pH is
. (2 points)
2.
(03.05 LC)
Match the term with its description. (4 points)
1.
Acid
2.
pH
3.
Base
4.
Ions
a.
A compound that increases hydrogen ions (H+) when it is dissolved in a solution
b.
A compound that increases the hydroxide ions (OH−) when it is dissolved in a solution
c.
An atom or molecule that has a positive or negative charge
d.
A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
3.
(03.05 MC)
Which description is not a property of an acid? (2 points)
Turns litmus paper red
Bitter taste
Corrosive
Dissolves metals
4.
(03.05 MC)
Which description is not a property of a base? (2 points)
pH lower than 7
Turns litmus paper blue
Bitter taste
Slimy feel
5.
(03.05 MC)
Which item is made from a basic ingredient? (2 points)
Soda
Wine
Leafy vegetables
Toothpaste
6.
(03.05 MC)
Which substances will make a salt when combined? (2 points)
Vinegar and soda
Soda and wine
Detergent and ammonia
Fertilizer and vinegar
7.
(03.05 MC)
Which description of salt is a chemical property? (2 points)
No combustion
Odorless
Salty taste
Solid does not conduct electricity
8.
(03.05 MC)
Complete the sentence. When an acid is added to water, hydrogen ions __________. (2 points)
increase
decrease
stay the same
disappear
9.
(03.05 MC)
Complete the sentence. The lower the hydrogen ion concentration, the ______ the pH. (2 points)
higher
lower
closer to 7
closer to 0
Answers
GPT-4o mini
1. The number that represents a neutral pH is **7**.
2. Match the term with its description:
1. Acid - a. A compound that increases hydrogen ions (H+) when it is dissolved in a solution
2. pH - d. A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
3. Base - b. A compound that increases the hydroxide ions (OH−) when it is dissolved in a solution
4. Ions - c. An atom or molecule that has a positive or negative charge
3. Which description is not a property of an acid? **Bitter taste**
4. Which description is not a property of a base? **pH lower than 7**
5. Which item is made from a basic ingredient? **Toothpaste**
6. Which substances will make a salt when combined? **Detergent and ammonia** (this is typically a base, while vinegar is an acid; however, common combinations that result in salt formation involve an acid and a base)
7. Which description of salt is a chemical property? **No combustion**
8. Complete the sentence. When an acid is added to water, hydrogen ions **increase**.
9. Complete the sentence. The lower the hydrogen ion concentration, the **higher** the pH.
2. Match the term with its description:
1. Acid - a. A compound that increases hydrogen ions (H+) when it is dissolved in a solution
2. pH - d. A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
3. Base - b. A compound that increases the hydroxide ions (OH−) when it is dissolved in a solution
4. Ions - c. An atom or molecule that has a positive or negative charge
3. Which description is not a property of an acid? **Bitter taste**
4. Which description is not a property of a base? **pH lower than 7**
5. Which item is made from a basic ingredient? **Toothpaste**
6. Which substances will make a salt when combined? **Detergent and ammonia** (this is typically a base, while vinegar is an acid; however, common combinations that result in salt formation involve an acid and a base)
7. Which description of salt is a chemical property? **No combustion**
8. Complete the sentence. When an acid is added to water, hydrogen ions **increase**.
9. Complete the sentence. The lower the hydrogen ion concentration, the **higher** the pH.